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Fix bug #314:

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- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std)
- remove the overloads for array expression that were in the std namespace
This commit is contained in:
Gael Guennebaud
2012-11-06 15:25:50 +01:00
parent 959ef37006
commit a76fbbf397
88 changed files with 496 additions and 468 deletions
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5
Eigen/src/Geometry/Hyperplane.h
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@@ -135,7 +135,7 @@ public:
/** \returns the absolute distance between the plane \c *this and a point \a p.
* \sa signedDistance()
*/
inline Scalar absDistance(const VectorType& p) const { return internal::abs(signedDistance(p)); }
inline Scalar absDistance(const VectorType& p) const { using std::abs; return abs(signedDistance(p)); }
/** \returns the projection of a point \a p onto the plane \c *this.
*/
@@ -178,13 +178,14 @@ public:
*/
VectorType intersection(const Hyperplane& other) const
{
using std::abs;
EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(VectorType, 2)
Scalar det = coeffs().coeff(0) * other.coeffs().coeff(1) - coeffs().coeff(1) * other.coeffs().coeff(0);
// since the line equations ax+by=c are normalized with a^2+b^2=1, the following tests
// whether the two lines are approximately parallel.
if(internal::isMuchSmallerThan(det, Scalar(1)))
{ // special case where the two lines are approximately parallel. Pick any point on the first line.
if(internal::abs(coeffs().coeff(1))>internal::abs(coeffs().coeff(0)))
if(abs(coeffs().coeff(1))>abs(coeffs().coeff(0)))
return VectorType(coeffs().coeff(1), -coeffs().coeff(2)/coeffs().coeff(1)-coeffs().coeff(0));
else
return VectorType(-coeffs().coeff(2)/coeffs().coeff(0)-coeffs().coeff(1), coeffs().coeff(0));